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Q: In ΔABC, ∠C=90° and D is a point on CB such that AD is the bisector of ∠A. If AC=5 cm and BC=12 cm, then what is the length of AD?

A. $$ {10\over 3}{cm}$$
B. $$ {5\sqrt{13}\over 6}{ \ cm}$$
C. $$ {5\sqrt{13}\over 3}{ \ cm}$$
D. $$ {20\over 3} {\ cm}$$
Answer» D. $$ {20\over 3} {\ cm}$$


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